P: Parenthesis
E: Equation
M:Multiplication
D: Division
A : addition
S: Subtraction
So first you need to divide because it is before so you divide 18 by 6 which is 3 then you subtract (31 - 3) which gives you 28
answer : 28
Hmm I’ve done this before but I can’t remember sorry but I will try and think
Answer:
-1
Step-by-step explanation: